S-Cam Brake Components
OEM-grade S-Cam brake parts for transit buses, heavy-duty trucks, and commercial fleets — engineered for the demands of high-cycle pneumatic brake systems
Complete S-Cam Brake System Coverage
Fraser Gauge supplies the full range of S-Cam brake components for transit buses, motor coaches, school buses, and Class 6–8 heavy-duty trucks. Every part is manufactured to OEM specifications and validated for high-cycle pneumatic brake systems operating in transit and long-haul duty cycles. With over 50 years of commercial brake expertise, Fraser Gauge provides the cross-referencing, technical documentation, and application support that commodity suppliers cannot match.
- • F-5094 — Camshaft, S-Cam LH Front
- • F-6094 — Camshaft, S-Cam RH Front
- • F-5355 — Camshaft, S-Cam LH Rear
- • F-6355 — Camshaft, S-Cam RH Rear
- • W-Series and Q-Series variants available
- • F-0215 — Camshaft Bushing (Bronze)
- • F-0022 — Brake Shoe Bushing
- • F-0022R — Brake Shoe Bushing (Pre-sized)
- • F-0008 — Brake Shoe Bushing (W-Series Alt)
- • Multiple bore sizes in stock
- • F-0104 — Return Spring, Front Axle
- • F-004J — Return Spring, Rear Axle Std
- • F-004HD — Return Spring, Rear Axle HD
- • F-0308 — Return Spring, Q-Series HD
- • Low-floor bus variants available
- • F-0021A — Air Chamber Assembly, Front
- • F-0061A — Air Chamber Assembly, Rear Type 30
- • Validated for high-cycle transit duty
- • OEM cross-references available
- • F-0067 — Anchor Pin, Front (W-Series)
- • F-0256 — Spider, RH Front (ABS Notch)
- • F-025Z — Snap Ring
- • F-0161 — Link, Anchor Pin
- • F-0283 — Pin, Brake Shoe Return Spring
- • F-0027X — Roller, Low Floor Std
- • F-0025A — Wedge Assembly
- • F-0027 — Grease Fitting, 1/4" x 90°
- • F-0341X — Set Screw
- • Full hardware kits available
Application Coverage
Fraser Gauge S-Cam components are validated for the following vehicle platforms and axle configurations. Contact our technical team for application-specific cross-referencing.
| Vehicle Type | Platform / Series | Axle Position | Key Components |
|---|---|---|---|
| Transit Bus (Low Floor) | W-Series, Q-Series | Front & Rear | Camshafts, Bushings, Low-Floor Springs |
| Transit Bus (Standard) | Standard S-Cam | Front & Rear | Full component range |
| Motor Coach | Q-Series HD | Front & Rear | HD Return Springs, Air Chambers |
| School Bus | Standard S-Cam | Front & Rear | Anchor Pins, Spiders, Bushings |
| Class 8 Truck | Standard S-Cam | Steer & Drive | Camshafts, Wedge Assemblies |
| Class 6–7 Truck | Standard S-Cam | Front & Rear | Full component range |
| Trailer | Standard S-Cam | All Axles | Spiders, Anchor Pins, Hardware |
Quality & Compliance
All S-Cam components meet or exceed Federal Motor Vehicle Safety Standard 121 requirements for air brake systems on commercial vehicles.
Every Fraser Gauge S-Cam component carries a 1-year warranty against defects in materials and workmanship under normal commercial operating conditions.
Every part is documented with full OEM and competitor cross-reference data. Submit your current part numbers and we'll match them to the correct Fraser Gauge SKU.
Ready to Order or Cross-Reference?
Browse the full S-Cam component catalog, submit your OEM part numbers for cross-referencing, or contact our technical team for application-specific guidance.